Merge branch 'bug_621_caid_info'
[vuplus_dvbapp] / lib / gdi / picload.cpp
index f67507c..0ce10c0 100644 (file)
@@ -1,4 +1,5 @@
-#include <png.h>       // must be included before Python.h because of setjmp
+#define PNG_SKIP_SETJMP_CHECK
+#include <png.h>
 #include <fcntl.h>
 
 #include <lib/gdi/picload.h>
@@ -288,24 +289,12 @@ static unsigned char *png_load(const char *file, int *ox, int *oy)
        png_read_info(png_ptr, info_ptr);
        png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, NULL, NULL);
 
-       if (color_type == PNG_COLOR_TYPE_PALETTE)
-       {
-               png_set_palette_to_rgb(png_ptr);
-               png_set_background(png_ptr, (png_color_16 *)&my_background, PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
-       }
-       if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
-       {
-               png_set_gray_to_rgb(png_ptr);
-               png_set_background(png_ptr, (png_color_16 *)&my_background, PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0);
-       }
-       if (color_type & PNG_COLOR_MASK_ALPHA)
-               png_set_strip_alpha(png_ptr);
-
-       if (bit_depth < 8)
-               png_set_packing(png_ptr);
-
+       if ((color_type == PNG_COLOR_TYPE_PALETTE)||(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)||(png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)))
+               png_set_expand(png_ptr);
        if (bit_depth == 16)
                png_set_strip_16(png_ptr);
+       if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+               png_set_gray_to_rgb(png_ptr);
 
        int number_passes = png_set_interlace_handling(png_ptr);
        png_read_update_info(png_ptr, info_ptr);
@@ -1011,16 +1000,16 @@ RESULT ePicLoad::setPara(PyObject *val)
 {
        if (!PySequence_Check(val))
                return 0;
-       if (PySequence_Size(val) < 6)
+       if (PySequence_Size(val) < 7)
                return 0;
        else {
                ePyObject fast = PySequence_Fast(val, "");
-               m_conf.max_x            = PyInt_AsLong( PySequence_Fast_GET_ITEM(val, 0));
-               m_conf.max_y            = PyInt_AsLong( PySequence_Fast_GET_ITEM(val, 1));
-               m_conf.aspect_ratio     = PyFloat_AsDouble( PySequence_Fast_GET_ITEM(val, 2));
-               m_conf.usecache         = PyInt_AsLong( PySequence_Fast_GET_ITEM(val, 3));
-               m_conf.resizetype       = PyInt_AsLong( PySequence_Fast_GET_ITEM(val, 4));
-               const char *bg_str      = PyString_AsString( PySequence_Fast_GET_ITEM(val, 5));
+               m_conf.max_x            = PyInt_AsLong( PySequence_Fast_GET_ITEM(fast, 0));
+               m_conf.max_y            = PyInt_AsLong( PySequence_Fast_GET_ITEM(fast, 1));
+               m_conf.aspect_ratio     = (double)PyInt_AsLong( PySequence_Fast_GET_ITEM(fast, 2)) / PyInt_AsLong(PySequence_Fast_GET_ITEM(fast, 3));
+               m_conf.usecache         = PyInt_AsLong( PySequence_Fast_GET_ITEM(fast, 4));
+               m_conf.resizetype       = PyInt_AsLong( PySequence_Fast_GET_ITEM(fast, 5));
+               const char *bg_str      = PyString_AsString( PySequence_Fast_GET_ITEM(fast, 6));
        
                if(bg_str[0] == '#' && strlen(bg_str)==9)
                {
@@ -1040,29 +1029,30 @@ RESULT ePicLoad::setPara(PyObject *val)
 //for old plugins
 SWIG_VOID(int) loadPic(ePtr<gPixmap> &result, std::string filename, int x, int y, int aspect, int resize_mode, int rotate, int background, std::string cachefile)
 {
+       long asp1, asp2;
        result = 0;
        eDebug("deprecated loadPic function used!!! please use the non blocking version! you can see demo code in Pictureplayer plugin... this function is removed in the near future!");
        ePicLoad mPL;
 
-       double  aspect_ratio;
        switch(aspect)
        {
-               case 1:         aspect_ratio = 1.778 / ((double)720/576); break; //16:9
-               case 2:         aspect_ratio = 1.600 / ((double)720/576); break; //16:10
-               case 3:         aspect_ratio = 1.250 / ((double)720/576); break; //5:4
-               default:        aspect_ratio = 1.333 / ((double)720/576); //4:3
+               case 1:         asp1 = 16*576, asp2 = 9*720; break; //16:9
+               case 2:         asp1 = 16*576, asp2 = 10*720; break; //16:10
+               case 3:         asp1 = 5*576, asp2 = 4*720; break; //5:4
+               default:        asp1 = 4*576, asp2 = 3*720; break; //4:3
        }
-       
-       ePyObject tuple = PyTuple_New(6);
+
+       ePyObject tuple = PyTuple_New(7);
        PyTuple_SET_ITEM(tuple, 0,  PyLong_FromLong(x));
        PyTuple_SET_ITEM(tuple, 1,  PyLong_FromLong(y));
-       PyTuple_SET_ITEM(tuple, 2,  PyFloat_FromDouble(aspect_ratio));
-       PyTuple_SET_ITEM(tuple, 3,  PyLong_FromLong(0));
-       PyTuple_SET_ITEM(tuple, 4,  PyLong_FromLong(resize_mode));
+       PyTuple_SET_ITEM(tuple, 2,  PyLong_FromLong(asp1));
+       PyTuple_SET_ITEM(tuple, 3,  PyLong_FromLong(asp2));
+       PyTuple_SET_ITEM(tuple, 4,  PyLong_FromLong(0));
+       PyTuple_SET_ITEM(tuple, 5,  PyLong_FromLong(resize_mode));
        if(background)
-               PyTuple_SET_ITEM(tuple, 5,  PyString_FromString("#ff000000"));
+               PyTuple_SET_ITEM(tuple, 6,  PyString_FromString("#ff000000"));
        else
-               PyTuple_SET_ITEM(tuple, 5,  PyString_FromString("#00000000"));
+               PyTuple_SET_ITEM(tuple, 6,  PyString_FromString("#00000000"));
 
        mPL.setPara(tuple);